cognitive psychology research methods 0.0 / 5 ? PsychologyMemoryASEdexcel Created by: laurenkiyCreated on: 07-04-14 17:36 independant variable manipulated or changed by the experimenter to see the effects on the dependant variable 1 of 13 dependant variable what the experimenter measures 2 of 13 experimental hypothosis written prior to the experiment and usually specifies the independant variable and the dependant variable and it can be one tailed or two tailed 3 of 13 null hypothosis statement of no effect. any difference is due to chance and not because of the indepandant variable 4 of 13 repeated measures design using same subject in each condition 5 of 13 independant measures using different subjects in each condition 6 of 13 matched pairs using different but similar subjects in each condition 7 of 13 order effects participants performance in each condition my be different due to boredom, fatigue or practice. 8 of 13 objectivity a measure which is impartialand neutral and not biased by experimenters own interpretations 9 of 13 evaluation apprehension the participants behaviour changes simply because they know they are being observed 10 of 13 laboratory experiment an experiment carried out in a controlled artificial environment 11 of 13 field experiment carried out in the participants natural environment such as, the street, school or work etc 12 of 13 natural experiment occur when the experimenter makes use of a naturally occuring event for research purposes 13 of 13
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